1Preheat oven to 400°. Place a 6-cup popover pan in oven until ready to use.
2In a large heatproof bowl, microwave beef fat in 30-second increments until melted. Remove pan from oven. Dip a pastry brush in beef drippings and brush each cup. Return pan to oven.
3Add eggs, milk, granulated sugar, and salt to remaining drippings in bowl. Vigorously whisk until mixture is frothy. Add flour and continue to whisk until very smooth. Divide batter among cups, filling each about halfway full.
4Bake puddings, without opening oven door, until puffed and deeply golden brown.
5Using a clean kitchen towel or tongs, transfer puddings to a platter and serve.
Ingredients
1/4 cup beef drippings, rendered pork lard, or unsalted butter